Home / 8,558,878.28-12,840,254.73-4,917,289.39

Finding the Fourth Proportional to 8,558,878.28, 12,840,254.73 and 4,917,289.39

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Solution

The fourth proportional to 8,558,878.28, 12,840,254.73 and 4,917,289.39 is: 7,377,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558,878.28 : 12,840,254.73 = 4,917,289.39 : x
  2. Step 2: Convert to fraction form
    8,558,878.28/12,840,254.73 = 4,917,289.39/x
  3. Step 3: Cross multiply
    8,558,878.28x = 12,840,254.73 × 4,917,289.39
  4. Step 4: Simplify right side
    8,558,878.28x = 63,139,248,316,625.68
  5. Step 5: Solve for x
    x = 63,139,248,316,625.68/8,558,878.28
  6. Step 6: Final answer
    x = 7,377,047.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.